Woodward 8406-113 Position Feedback Transmitter

Product Brief Introduction The 8406-113 is a precision position feedback transmitter that converts LVDT or rotary position sensor displacement into a proportional 4–20 mA analog signal for control system feedback.
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Technical Specifications Supply voltage: 18–32 V DC (24 V DC nominal); sensor input: LVDT or RVDT, 3-wire or 4-wire; output: 4–20 mA two-wire loop, 500 Ω maximum load; measurement accuracy: ±0.25% full scale; zero and span adjustment; operating temperature: -40 °C to +85 °C; enclosure: IP40; DIN rail mounting.

Functional Features Precise position-to-analog conversion; adjustable zero and span; integrated sensor excitation supply; open circuit detection; reverse polarity protection; low temperature drift.

Application Scenarios Actuator position feedback for engine governors, valve position indication, turbine gate position feedback, industrial position monitoring, servo position loop feedback.

Performance Parameters Measurement accuracy: ±0.25% of span; temperature drift: < 0.01% per °C; response time: < 5 ms; output ripple: < 10 µA peak.

Material Composition Industrial plastic housing, precision analog circuit, LVDT excitation circuit, output driver, screw terminal connectors.

Structural Characteristics DIN rail mountable module; front zero and span adjustment potentiometers; front status LED; rear terminal block for sensor, output and power wiring.




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